ComputingYears 1–4Block Coding

Algorithms and Sequences

Learn Algorithms and Sequences for Years 1–4 pupils (ages 5–9). Free practice questions, lessons and worked examples — aligned to the UK National Curriculum.

What you'll learn

  1. 1

    An algorithm is a list of steps to do something. Like how you brush your teeth! 🦷

  2. 2

    What is an algorithm? 🧠

  3. 3

    Let's make an algorithm to make a jam sandwich! 🥪

  4. 4

    Put these steps in the right order to make a jam sandwich. Tap them in order! 🥪

  5. 5

    Which step comes FIRST in the jam sandwich algorithm? 🥪

  6. 6

    A sequence is the order of steps. The order must be right! 🎯

  7. 7

    What happens if you put the top slice on BEFORE the jam? 🥪

Practise Algorithms and Sequences with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 5–9. Aligned to the UK National Curriculum.